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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Zoccali, Mariosimone Barp, Laura Beccaria, Marco Sciarrone, Danilo Purcaro, Giorgia Mondello, Luigi |
| Description | Country affiliation: Italy Author Affiliation: Zoccali M ( 'Scienze chimiche, biologiche, farmaceutiche ed ambientali' Department, University of Messina, Messina, Italy.); Barp L ( Chromaleont s.r.l., c/o 'Scienze chimiche, biologiche, farmaceutiche ed ambientali' Department, University of Messina, Messina, Italy.); Beccaria M ( 'Scienze chimiche, biologiche, farmaceutiche ed ambientali' Department, University of Messina, Messina, Italy.); Sciarrone D ( 'Scienze chimiche, biologiche, farmaceutiche ed ambientali' Department, University of Messina, Messina, Italy.); Purcaro G ( Chromaleont s.r.l., c/o 'Scienze chimiche, biologiche, farmaceutiche ed ambientali' Department, University of Messina, Messina, Italy.); Mondello L ( 'Scienze chimiche, biologiche, farmaceutiche ed ambientali' Department, University of Messina, Messina, Italy.) |
| Abstract | Mineral oils, which are mainly composed of saturated hydrocarbons and aromatic hydrocarbons, are widespread food contaminants. Liquid chromatography coupled to gas chromatography with flame ionization detection represents the method of choice to determine these two families. However, despite the high selectivity of this technique, the presence of olefins (particularly squalene and its isomers) in some samples as in olive oils, does not allow the correct quantification of the mineral oil aromatic hydrocarbons fraction, requiring additional off-line tools to eliminate them. In the present research, a novel on-line liquid chromatography coupled to gas chromatography method is described for the determination of hydrocarbon contamination in edible oils. Two different liquid chromatography columns, namely a silica one (to retain the bulk of the matrix) and a silver-ion one (which better retains the olefins), were coupled in series to obtain the mineral oil aromatic hydrocarbons hump free of interfering peaks. Furthermore, the use of a simultaneous dual detection, flame ionization detector and triple quadrupole mass spectrometer allowed us not only to quantify the mineral oil contamination, but also to evaluate the presence of specific markers (i.e. hopanes) to confirm the petrogenic origin of the contamination. |
| File Format | HTM / HTML |
| ISSN | 16159306 |
| Issue Number | 3 |
| Journal | Journal of Separation Science |
| Volume Number | 39 |
| e-ISSN | 16159314 |
| Language | English |
| Publisher | Wiley-VCH |
| Publisher Date | 2016-02-01 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Analytical Discipline Chemistry Chromatography, Gas Methods Chromatography, Liquid Hydrocarbons, Aromatic Analysis Mineral Oil Chemistry Journal Article Research Support, Non-u.s. Gov't Validation Studies |
| Content Type | Text |
| Resource Type | Article |
| Subject | Analytical Chemistry Filtration and Separation |
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